| Date | Event |
| 10-Nov-09 | Petroleum Development upgraded by Global Hunter Securities |
| 5-Nov-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 5-Nov-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 10-Q, Quarterly Report |
| 4-Nov-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Of |
| 4-Nov-09 | Earnings announcement |
| 17-Sep-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Ex |
| 17-Aug-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Other Events |
| 12-Aug-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and E |
| 11-Aug-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 10-Aug-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Financial Statements and Exhibits |
| 10-Aug-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 10-Q, Quarterly Report |
| 16-Jul-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Regulation FD Disclosure |
| 2-Jun-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Changes in Registrant's Certifying Accountant, Financial Statements an |
| 29-May-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Of |
| 22-May-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 11-May-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 8-May-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 10-Q, Quarterly Report |
| 29-Apr-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 20-Apr-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 8-Apr-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 6-Apr-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 19-Mar-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 11-Mar-09 | Price hit new 52-week low ($9.39) |
| 10-Mar-09 | Price hit new 52-week low ($9.61) |
| 5-Mar-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and E |
| 5-Mar-09 | Price hit new 52-week low ($9.79) |
| 3-Mar-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 27-Feb-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 10-K, Annual Report |
| 13-Jan-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 7-Jan-09 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 20-Nov-08 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Creation of a Direct Financial Obligation or an Obligation under an Of |
| 14-Nov-08 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 12-Nov-08 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 6-Nov-08 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 29-Oct-08 | PETROLEUM DEVELOPMENT CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Ex |